When I tried the following code, it only "explode" one block when "sched_blk" contains many blocks. What am I doing wrong (setq sched_blk (ssget "x" '((0 . "insert") (-4 . "<or") (2 . "*Note*") (2 . "*Types*") (2 . "*Specs*") (-4 . "or>") ) ) ) (command "_explode" sched_blk "") Tom